Respuesta :

jesusm1

Answer:

  • Plug in x
  1. -[-9]+9
  2. 18
  • Give brainlist

Answer:

18

Step-by-step explanation:

So you have -x + 9.

Plug in -9 for x.

-(-9) + 9

A negative negative is actually a positive.

9 + 9 = 18

Hope this helped! :)

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